The hex color #b10b4d is a dark color. The web-safe version is Hex
#990066. A complementary color is
#4EF4B2. The grayscale version is
#585858. A 20% lighter version of the original color is
#E43E80, and Hex
#7E001A is the 20% darker color. If the color is saturated by 10%, you get
#BA034C. If the color is desaturated by 10%, the color
#A8134E is obtained.